meta-ibm: witherspoon: dbus-monitor: set version wildcard

Set the wildcard for version for phosphor-dbus-monitor.bbappend

Change-Id: I1d3da88ea520866b93b87fffc6d5641c6dc783eb
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-witherspoon/recipes-phosphor/dbus/phosphor-dbus-monitor_%.bbappend b/meta-witherspoon/recipes-phosphor/dbus/phosphor-dbus-monitor_%.bbappend
new file mode 120000
index 0000000..99a5162
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/dbus/phosphor-dbus-monitor_%.bbappend
@@ -0,0 +1 @@
+phosphor-dbus-monitor.bbappend
\ No newline at end of file